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Season 1 Episode
- Season 1 Chapter 1: The Rules of Life
- Season 1 Chapter 2: The First Frontier
- Season 1 Chapter 3: Invaders of the Land
- Season 1 Chapter 4: In Cold Blood
- Season 1 Chapter 5: In the Shadow of Giants
- Season 1 Chapter 6: Out of the Ashes
- Season 1 Chapter 7: Inheriting the Earth
- Season 1 Chapter 8: Age of Ice and Fire
Life on Our Planet - Season 1 Episode 2 Chapter 2: The First Frontier
8.03 48 minutes For billions of years, land on Earth was uninhabitable. But in the seas, predation allowed species to thrive before — and after — two mass extinctions.
